<template>
  <div class="my-counter">
    <button type="button" :disabled='obj.goods_count<=1' @click="obj.goods_count--" class="btn btn-light" >-</button>
    <input type="number" class="form-control inp" v-model.number="obj.goods_count">
    <button type="button" class="btn btn-light" @click="btn">+</button>
  </div>
</template>

<script>
export default {
  props:{
    obj:Object
  },
    methods:{
      btn(){
         this.obj.goods_count++
      }, 
    },

  watch:{
    obj:{
      deep:true,
      handler(){
        if(this.obj.goods_count<1){
         this.obj.goods_count = 1
        }
      }
    }
  }
}
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;
  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }
  .btn, .inp{
    transform: scale(0.9);
  }
}
</style>